<template>
   <el-dialog v-model="dialogVisible" :title="title" :width="width"
        :destroy-on-close="destroyOnClose"
         :draggable="true" :close-on-click-modal="false"
            :close-on-press-escape="false">
            <!-- 插槽 -->
            <slot></slot>
            <template #footer>
                <span class="dialog-footer">
                    <el-button @click="dialogVisible = false">取消</el-button>
                    <el-button type="primary" @click="submit" :loading="btnLoading">
                        {{ confirmText }}
                    </el-button>
                </span>
            </template>
        </el-dialog>
</template>

<script setup>
import { ref } from 'vue'

const dialogVisible = ref(false)

// 打开
const open = () => dialogVisible.value = true
// 关闭
const close = () => dialogVisible.value = false

// 确认按钮加载 loading
const btnLoading = ref(false)
// 显示 loading
const showBtnLoading = () => btnLoading.value = true
// 隐藏 loading
const closeBtnLoading = () => btnLoading.value = false

// 对外暴露属性
const props = defineProps({
    title: String, // 字段类型
    width: {
        type: String,
        default: '40%' // 默认值
    },
    destroyOnClose: {
        type: Boolean,
        default: false
    },
    confirmText: {
        type: String,
        default: '提交'
    }
})

// 暴露给父组件
defineExpose({
    open,
    close,
    showBtnLoading,
    closeBtnLoading
})

// 对外暴露一个 submit 方法  defineEmits 用于定义组件可以触发的自定义事件
const emit = defineEmits(['submit'])
//定义一个submit方法
const submit = () => emit('submit')
</script>